$k - 4.8=0.32 - 5.4k\\\mathrm{Multiply\:both\:sides\:by\:}100\\k\times\:100-4.8\times\:100=0.32\times\:100-5.4k\times\:100\\\\Refine\\100k-480=32-540k\\\\Add\: 480\mathrm{\:to\:both\:sides}\\100k-480+480=32-540k+480\\\\Simplify\\100k=-540k+512\\\\\mathrm{Add\:}540k\mathrm{\:to\:both\:sides}\\100k+540k=-540k+512+540k\\\\Simplify\\640k=512\\\\\mathrm{Divide\:both\:sides\:by\:}640\\\frac{640k}{640}=\frac{512}{640}\\\\k=\frac{4}{5}$

5 0

3 years ago

What is the area of the shaded region?<br> 3 cm

stiks02 [169]

Answer:

7.74cm ^2

Step-by-step explanation:

a=pie * r ^2

3.14*3^2=3.14*9=28.26 then you know all sides of a square are equal and 3 is half of 1 side so 6*6-=36 36-28.26=7.74

3 0

3 years ago

Slove for v in the equation <br><br> 8v+5=13+7v

rosijanka [135]

Answer:

v = 8

Step-by-step explanation:

8v+5=13+7v

Subtract 5 from 13

8v=8+7v

Subtract 7v from 8v

Final answer: v = 8

4 0

3 years ago

-(5 – 3)2 + (8 – -2) – 3(4 + -1)2

telo118 [61]

Answer:

I think the answer would be -12

6 0

3 years ago

Read 2 more answers

If g(×)=×²-× find g(1÷2)​

If g(×)=×²-× find g(1÷2)